T. Rex Blood/Epigenetics/Kryptos/Arlie Petters Profile
- Episode aired Jul 24, 2007

A paleobiologist has discovered preserved blood vessels and red blood cells in a 68-million-year-old dinosaur bone.Epigenetics: It seems that diet and lifestyle actually change the expressio... Read allA paleobiologist has discovered preserved blood vessels and red blood cells in a 68-million-year-old dinosaur bone.Epigenetics: It seems that diet and lifestyle actually change the expression of our genes.Kryptos: A sculpture called Kryptos in the courtyard of CIA headquarters, c... Read allA paleobiologist has discovered preserved blood vessels and red blood cells in a 68-million-year-old dinosaur bone.Epigenetics: It seems that diet and lifestyle actually change the expression of our genes.Kryptos: A sculpture called Kryptos in the courtyard of CIA headquarters, contains a code that has yet to be fully broken.Profile: Arlie Petters: A look at Duke Univ... Read all